HEX atlas value

#87CEEB

#87CEEB is a cool blue HEX color nearest Sky Blue. RGB 135, 206, 235, HSL 197° 71% 73%, luminance 0.5529; view contrast and conversions.

blue cool balanced

#87CEEB Sample readable text

HEX #87CEEB

RGB rgb(135, 206, 235)

HSL hsl(197 71% 73%)

CMYK cmyk(43, 12, 0, 8)

Luminance 0.5529

Contrast Black 12.06:1White 1.74:1

CSS

--color-87ceeb: #87CEEB;
.background-87ceeb { background-color: #87CEEB; }
.text-87ceeb { color: #87CEEB; }

HEX meaning and use

About #87CEEB

#87CEEB is classified as a cool blue value with balanced visual character. #87CEEB is visually closest to Sky Blue, a named blue color with HEX #87CEEB.

The RGB channels are 135, 206, and 235, with blue carrying the strongest channel weight. In HSL, the hue is 197deg with 71% saturation and 73% lightness, so this page treats it as a high-saturation, light atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and calm digital interfaces. Its luminance is 0.5529, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.06:1AA Pass

White text1.74:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #87CEEB needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.06:1 · AAA

White text#FFFFFF1.74:1 · Fail

Accessible Alternatives

#D8EFF8#D8EFF8 · #000000 text · best 17.62:1 #89EBD6#89EBD6 · #000000 text · best 14.92:1 #7AD6FA#7AD6FA · #000000 text · best 12.83:1 Baby Blue#89CFF0 · #000000 text · best 12.25:1 Light Sky Blue#87CEFA · #000000 text · best 12.24:1

Generated Palette

Sky Blue#87CEEB

#EBA589#EBA589

#89EBD6#89EBD6

#899EEB#899EEB

#D8EFF8#D8EFF8

#3BB0DE#3BB0DE

Color Harmonies

#EBA589#EBA589

#89EBD6#89EBD6

#899EEB#899EEB

#EB89CF#EB89CF

#CFEB89#CFEB89

Variants

#D8EFF8#D8EFF8

#3BB0DE#3BB0DE

#7AD6FA#7AD6FA

#98C9DC#98C9DC

#F7FBFD#F7FBFD

#9EE4FF#9EE4FF

Nearest Named Colors

Sky Blue#87CEEB

Baby Blue#89CFF0

Light Sky Blue#87CEFA

Maya Blue#73C2FB

Aquamarine Blue#6BCAE2

Luminance0.5529

Black text12.06:1AA Pass

White text1.74:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#87CEEB","rgb":[135,206,235],"hsl":[197,71,73],"cmyk":[43,12,0,8],"luminance":0.5529,"contrast":{"black":12.06,"white":1.74}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":12.06,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.74,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D8EFF8","hex":"#D8EFF8","family":"blue","bestTextColor":"#000000","contrastBlack":17.62,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#89EBD6","hex":"#89EBD6","family":"cyan","bestTextColor":"#000000","contrastBlack":14.92,"contrastWhite":1.41,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#7AD6FA","hex":"#7AD6FA","family":"blue","bestTextColor":"#000000","contrastBlack":12.83,"contrastWhite":1.64,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Baby Blue","hex":"#89CFF0","family":"blue","bestTextColor":"#000000","contrastBlack":12.25,"contrastWhite":1.71,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Light Sky Blue","hex":"#87CEFA","family":"blue","bestTextColor":"#000000","contrastBlack":12.24,"contrastWhite":1.72,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool blue","balanced","balanced blue","Sky Blue adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","calm digital interfaces"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/87ceeb.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sky-blue.json","https://www.colorsencyclopedia.com/api/colors/baby-blue.json","https://www.colorsencyclopedia.com/api/colors/light-sky-blue.json"]}

Harmonies

{"complementary":"#EBA589","analogous":["#89EBD6","#899EEB"],"triadic":["#EB89CF","#CFEB89"],"tetradic":["#D689EB","#EBA589","#9EEB89"],"splitComplementary":["#EB899E","#EBD689"],"monochromatic":["#D8EFF8","#87CEEB","#3BB0DE"]}

Variants

{"light":"#D8EFF8","dark":"#3BB0DE","saturated":"#7AD6FA","desaturated":"#98C9DC","pastel":"#F7FBFD","neon":"#9EE4FF"}

Nearest named colors

[{"slug":"sky-blue","name":"Sky Blue","hex":"#87CEEB","distance":0},{"slug":"baby-blue","name":"Baby Blue","hex":"#89CFF0","distance":5.477225575051661},{"slug":"light-sky-blue","name":"Light Sky Blue","hex":"#87CEFA","distance":15},{"slug":"maya-blue","name":"Maya Blue","hex":"#73C2FB","distance":28.284271247461902},{"slug":"aquamarine-blue","name":"Aquamarine Blue","hex":"#6BCAE2","distance":29.68164415931166}]

#87CEEB

CSS

About #87CEEB

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides